Adventure Puzzles
   Serial adventures, continuing story and puzzles building towards a final puzzle and solution.
   http://www.questexperiences.com/quest2/PortsToAdventure/AdventurePuzzles/default.asp

Bubble shooter
   Who is the King of the Jungle? Clear all the bubbles hanging from the roof by shooting up bubbles of the same colour. Master the bounce shots and your steady aim to come out on top in this fantastic variation of the most classic bubble shooter.
   http://www.king.com/games/puzzle-games/jungle-bubble/?language=en

Crosskit.com
   Free online and printable Crossword and Sudoku puzzles. Puzzles are offered daily and weekly with an archive. Also offers online crossword dictionary, daily horoscopes, and discussion forum.
   http://www.crosskit.com

Holiday Puzzles
   Collection of original puzzles developed over the years to celebrate the winter holidays.
   http://www.radix.net/~erewhon/puzl/index.html

Logicville
   Educational puzzles, brain teasers, mathematical recreations and word games. A resource for anagrams, cryptograms, alphametics, word puzzles, logic problems, doublets, tangrams, chess, and math quizzes.
   http://www.logicville.com/

MyCharades.com
   Includes charades, riddles, and enigmas.
   http://www.mycharades.com/

Puzzle Choice
   Crosswords, wordsearches, cryptograms, quizzes, wordplay and other interactive and printable puzzles and games.
   http://www.puzzlechoice.com

Puzzle Monster
   Original trivia, logic, visual and word puzzles.
   http://www.puzzlemonster.com/

Puzzletome
   Contests of varying difficulty and types. Also has tutorials with worked examples and practice games. [Registration required]
   http://www.puzzletome.com/

The Game
   A puzzle hunt run every year at Stanford.
   http://zonker.stanford.edu/~snitch/game/

The Puppeteer's Cosmic Puzzle
   Pictographic puzzle microcosm of old and new playing cards, poems, games and lore. New suits: the zodiac, solar system, evolution, human family, ancient elements, astronomical basis of the calendar and compass.
   http://www.cosmicpuzzle.com/

The Substitute Teacher: Puzzles and other Diversions
   Printable puzzles and other diversions to help substitute teachers involve their temporary students in mind stretching activities.
   http://www.subhelp.com/

Tim's World of Puzzles
   Information on World Puzzle Championships including links to sample word and logic puzzles.
   http://www.home.zonnet.nl/kostunix/

VNC: Volker-Noelle.com
   Collection of brain teasers, logic puzzles, paradoxes and mathematical riddles.
   http://www.volker-noelle.com/iq/index.shtml

Variety Games
   Shareware software programs available to create custom crossword and word searches.
   http://www.variety-games.com/